<template>
  <view>
    
   <!-- 使用自定义的搜索组件 -->
   <view class="search-box">
     <my-search @click="gotoSearch"></my-search>
   </view>
    
    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <!-- 循环渲染轮播图的 item 项 -->
      <swiper-item v-for="(item, i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpky/goods_datail/goods_datail?goods_id='+item.goods_id">
          <!-- 动态绑定图片的 src 属性 -->
          <image :src="item.image_src" class="nav-img"></image>
        </navigator>
      </swiper-item>
    </swiper>

    <!-- 分类区域 -->
    <view class="nav-List">
      <view class="nav-item" v-for="(item,i) in navList" :key="i" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
      </view>
    </view>
    
    <!-- 楼层区域 -->
  <view class="floor-list">
    <!-- 楼层 item 项 -->
    <view class="floor-item" v-for="(item, i) in floorList" :key="i">
      <!-- 楼层标题 -->
      <image :src="item.floor_title.image_src" class="floor-title"></image>
      <!-- 照片区域 -->
      <view class="floor-img-box">
        <!-- 左区域 -->
        <navigator class="left-img-box" :url="item.product_list[0].url">
          <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width+ 'rpx'}" mode="widthFix"></image>
        </navigator>
        <!-- 右区域 -->
        <view class="right-img-box">
          <navigator  class="right-img-item" v-for="(item2,i2) in item.product_list " :key="i2" v-if="i2!==0" :url="item2.url">
            <image :src="item2.image_src" :style="{width : item2.image_width + 'rpx'}" mode="widthFix"></image>
          </navigator >
        </view>
      </view>
    </view>
  </view>
  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
    mixins: [badgeMix],
    data() {
      return {
        //这是轮播图的数据
        swiperList: [],
        //分类数据
        navList: [],
        //楼层数据
        floorList: []
      };
    },
    onLoad() {
      //调用方法获取数据
      this.getSwiperList(),
        this.getNavList()
      this.getfloorList()
    },
    methods: {
      async getSwiperList() {
        const {
          data: res
        } = await uni.$http.get('api/public/v1/home/swiperdata');
        if (res.meta.status !== 200) return uni.$showMsg()
        // 3.3 请求成功，为 data 中的数据赋值
        this.swiperList = res.message
        uni.$showMsg('数据请求成功！')
      },
      async getNavList() {
        const {
          data: res
        } = await uni.$http.get('api/public/v1/home/catitems');
        if (res.meta.status !== 200) return uni.$showMsg()
        //拿到数据给其赋值
        this.navList = res.message
        uni.$showMsg('数据请求成功！')
      },
      navClickHandler(item) {
        if (item.name === "分类") {
          uni.switchTab({
            url: '/pages/cart/cart'
          })
        }
      },
      async getfloorList() {
        const {
          data: res
        } = await uni.$http.get('api/public/v1/home/floordata');
        if (res.meta.status !== 200) return uni.$showMsg()
       //修改数据中的路径问题
        res.message.forEach(floor=>{
          floor.product_list.forEach(prod=>{
            prod.url='/subpky/goods_list/goods_list?'+prod.navigator_url.split('?')[1]
          })
        }) 
        //获取数据并且赋值
        this.floorList = res.message
        uni.$showMsg('数据请求成功！')
      },
      gotoSearch(){
        uni.navigateTo({
          url:  '/subpky/search/search'
        })
      }
    }
  }
</script>

<style lang="scss">
  swiper {
    height: 330rpx;

    .swiper-item,
    image {
      width: 100%;
      height: 100%;
    }
  }

  .nav-List {
    display: flex;
    justify-content: space-around;
    margin: 15px 0;

    .nav-img {
      width: 128rpx;
      height: 140rpx;
    }
  }
  
  .floor-title {
    height: 60rpx;
    width: 100%;
    display: flex;
  }
  
  .right-img-box {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  .floor-img-box {
    display: flex;
    padding-left: 10rpx;
  }
  
  .search-box {
    // 设置定位效果为“吸顶”
    position: sticky;
    // 吸顶的“位置”
    top: 0;
    // 提高层级，防止被轮播图覆盖
    z-index: 999;
  }
</style>